Peristome
Definition, Meaning & Examples
Part of speech noun
Quick meaning: Peristome is a noun meaning (botany) One or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses.
Meaning
(botany) One or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses.
More Meanings
- (zoology) The parts of or surrounding the mouths of numerous invertebrates.
- The lip, or edge of the aperture, of a spiral shell.
Example Sentences
Its removal does not, however, leave the mouth of the capsule wide open, for around the margin are two circles of pointed teeth forming the peristome.
We can distinguish therefore in the body of a polyp the column, circular or oval in section, forming the trunk, resting on a base or foot and surmounted by the crown of tentacles, which enclose an area termed the peristome, in the centre of which again is the mouth. […] The mouth may be level with the surface of the peristome, or may be projecting and trumpet-shaped.
Word Forms
- peristomes
- peristoma
- peristomium
Related Words
Related dictionary entries include anterior, peristoma, endostome, fringe, operculum, exostome.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.